81587720340

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{21649}}^1$

素因数の和:22671

約数の個数: 192

約数和(自身を含む): 290394048000

約数和(自身を除く): 208806327660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 997, 1260, 1890, 1994, 2991, 3780, 3988, 4985, 5982, 6979, 8973, 9970, 11964, 13958, 14955, 17946, 19940, 20937, 21649, 26919, 27916, 29910, 34895, 35892, 41874, 43298, 44865, 53838, 59820, 62811, 64947, 69790, 83748, 86596, 89730, 104685, 107676, 108245, 125622, 129894, 134595, 139580, 151543, 179460, 188433, 194841, 209370, 216490, 251244, 259788, 269190, 303086, 314055, 324735, 376866, 389682, 418740, 432980, 454629, 538380, 584523, 606172, 628110, 649470, 753732, 757715, 779364, 909258, 942165, 974205, 1169046, 1256220, 1298940, 1363887, 1515430, 1818516, 1884330, 1948410, 2273145, 2338092, 2727774, 2922615, 3030860, 3768660, 3896820, 4091661, 4546290, 5455548, 5845230, 6819435, 8183322, 9092580, 11690460, 13638870, 16366644, 20458305, 21584053, 27277740, 40916610, 43168106, 64752159, 81833220, 86336212, 107920265, 129504318, 151088371, 194256477, 215840530, 259008636, 302176742, 323760795, 388512954, 431681060, 453265113, 582769431, 604353484, 647521590, 755441855, 777025908, 906530226, 971282385, 1165538862, 1295043180, 1359795339, 1510883710, 1813060452, 1942564770, 2266325565, 2331077724, 2719590678, 2913847155, 3021767420, 3885129540, 4079386017, 4532651130, 5439181356, 5827694310, 6798976695, 8158772034, 9065302260, 11655388620, 13597953390, 16317544068, 20396930085, 27195906780, 40793860170, 81587720340]

約数ペア:

[(1, 81587720340), (2, 40793860170), (3, 27195906780), (4, 20396930085), (5, 16317544068), (6, 13597953390), (7, 11655388620), (9, 9065302260), (10, 8158772034), (12, 6798976695), (14, 5827694310), (15, 5439181356), (18, 4532651130), (20, 4079386017), (21, 3885129540), (27, 3021767420), (28, 2913847155), (30, 2719590678), (35, 2331077724), (36, 2266325565), (42, 1942564770), (45, 1813060452), (54, 1510883710), (60, 1359795339), (63, 1295043180), (70, 1165538862), (84, 971282385), (90, 906530226), (105, 777025908), (108, 755441855), (126, 647521590), (135, 604353484), (140, 582769431), (180, 453265113), (189, 431681060), (210, 388512954), (252, 323760795), (270, 302176742), (315, 259008636), (378, 215840530), (420, 194256477), (540, 151088371), (630, 129504318), (756, 107920265), (945, 86336212), (997, 81833220), (1260, 64752159), (1890, 43168106), (1994, 40916610), (2991, 27277740), (3780, 21584053), (3988, 20458305), (4985, 16366644), (5982, 13638870), (6979, 11690460), (8973, 9092580), (9970, 8183322), (11964, 6819435), (13958, 5845230), (14955, 5455548), (17946, 4546290), (19940, 4091661), (20937, 3896820), (21649, 3768660), (26919, 3030860), (27916, 2922615), (29910, 2727774), (34895, 2338092), (35892, 2273145), (41874, 1948410), (43298, 1884330), (44865, 1818516), (53838, 1515430), (59820, 1363887), (62811, 1298940), (64947, 1256220), (69790, 1169046), (83748, 974205), (86596, 942165), (89730, 909258), (104685, 779364), (107676, 757715), (108245, 753732), (125622, 649470), (129894, 628110), (134595, 606172), (139580, 584523), (151543, 538380), (179460, 454629), (188433, 432980), (194841, 418740), (209370, 389682), (216490, 376866), (251244, 324735), (259788, 314055), (269190, 303086)]